Oce-nederland B.v.

Oce-technologies B.v.

Julius V Graswinckel

Martin L Van Der Sterren

Peter Richard Markies

Hendrik Jan Stolk

Jozef P Moonen

Jacques J Geraets

Edwin Maria Kuypers

Wilhelmus Martinus Van Herpen

A cleaning member for cleaning a surface which, for example in an image recording device, is brought into contact with toner powder or an image receiving material carrying toner powder. The cleaning member comprises a surface layer of a high-viscosity polymeric material that is sticky at room temperature. Preferably, the polymeric material is a polymer or polymeric mixture having a viscosity between 10.sup.4 and 10.sup.6 Pa.s at 20.degree. C., and a very suitable polymer is polyisobutylene, having a molecular mass of about 100,000. The cleaning member is preferably provided with mixing means for mixing into the mass of the sticky layer impurities that are deposited on the surface thereof.

Cleaning members of image recording devices

A method and means for transferring two images substantially simultaneously and directly to different sides of a receiving sheet, wherein the images are formed one behind the other on an endless belt trained about support rollers. An image transfer zone in the form of a loop between the transport rollers is formed in the belt via a guide roller, thereby bringing the two image towards one another. During transfer of the images to the receiving sheet, the direction of rotation of one of the transport rollers is reversed.

Method and device for transferring two images to different sides of a

A fixing device for fixing a powder image on a receiving sheet in a fixing nip formed by a fixing roller and a pressure roller which has a lower flexural stiffness than the fixing roller. These rollers are pressed against one another by a stationary cushion filled with compressed air and pressing against the pressure roller in a pressure zone situated opposite the fixing nip. When the pressure roller and the fixing roller are driven, tangentially directed frictional forces are exerted on the pressure roller that causes the pressure roller to deflect against a curved support surface which limits the deflection. The pressure roller deflected in the operative position causes a receiving sheet fed through the fixing nip to be stretched in a direction transversely of the direction of conveyance to eliminate any bubbles or corrugations in the receiving sheet.

Fixing device for fixing a powder image on a receiving sheet

Apparatus for transporting sheetlike originals past an exposure plate (10) of a copying apparatus, of the kind in which a flight of at least one endless belt (25) is driven over the exposure plate, is provided with a device (80) for applying a solid abherent material (85) to that surface of the belt (25) which comes into contact with the exposure plate (10).

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Arcen, Netherlands

Julius V Graswinckel